SB2025102836 - Denial of service in OpenBao
Published: October 28, 2025
Security Bulletin ID
SB2025102836
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-59043)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when decoding JSON objects. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/openbao/openbao/blob/788536bd3e10818a7b4fb00aac6affc23388e5a9/http/logical.go#L50
- https://github.com/openbao/openbao/commit/d418f238bc99adc72c73109faf574cc2b672880c
- https://github.com/openbao/openbao/pull/1756
- https://github.com/openbao/openbao/security/advisories/GHSA-g46h-2rq9-gw5m